France to Probe Mobile Upstart

PARIS—The French government asked the country's antitrust authority to study whether France's new cut-rate mobile-phone operator is benefiting from a sweetheart roaming agreement, potentially giving ammunition to incumbent companies that have argued the deal is forcing them to cut jobs.

France's independent competition watchdog said Monday that it will give an opinion by the end of February on whether Iliad SA's Free Mobile, France's fourth mobile-phone operator, would gain a "lasting advantage" over competitors...